The BTT02 is a BLE 6.0 temperature logger designed for cold-chain visibility that is very tiny (2.4 mm). With its ±0.2°C precision, 100,000-reading local storage, IP67 protection, light exposure detection, and up to 3-year battery life, it is ideal for cold storage facilities, food distribution, pharma logistics, and reefer transport. For audit-ready PDF/CSV reporting, data is synced to BeaconCloud via a phone app or BLE gateway. powered by the Nordic nRF54L10 SoC, which has an open-air range of up to 500 meters. produced by Eelink Communication Technology, a dual-factory OEM/ODM IoT hardware partner since 2004. For more information, visit: https://www.eelinktech.com


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